1 files changed, 1 insertions, 0 deletions
diff --git a/data.c b/data.c
index 6631b6d..9616fee 100644
--- a/data.c
+++ b/data.c
@@ -41,6 +41,7 @@ int srv_open(const char *basedir, int auto_upgrade)
     FILE *f;
     xs_str *error = NULL;
 
+    /* MUST be three letters */
     months[0] = LL("Jan");
     months[1] = LL("Feb");
     months[2] = LL("Mar");